242471445 has 32 divisors (see below), whose sum is σ = 412041600. Its totient is φ = 121411584.

The previous prime is 242471423. The next prime is 242471447. The reversal of 242471445 is 544174242.

It is not a de Polignac number, because 242471445 - 2⁶ = 242471381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242471447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28441 + ... + 35969.

It is an arithmetic number, because the mean of its divisors is an integer number (12876300).

Almost surely, 2^242471445 is an apocalyptic number.

It is an amenable number.

242471445 is a deficient number, since it is larger than the sum of its proper divisors (169570155).

242471445 is a wasteful number, since it uses less digits than its factorization.

242471445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7669.

The product of its digits is 35840, while the sum is 33.

The square root of 242471445 is about 15571.4946296109. The cubic root of 242471445 is about 623.5723745666.

The spelling of 242471445 in words is "two hundred forty-two million, four hundred seventy-one thousand, four hundred forty-five".